Search a number
-
+
143136013 = 972515879
BaseRepresentation
bin10001000100000…
…01010100001101
3100222100001200211
420202001110031
5243120323023
622111522421
73355431106
oct1042012415
9328301624
10143136013
1173884229
123bb29411
1323867887
141501d3ad
15c875a0d
hex888150d

143136013 has 8 divisors (see below), whose sum is σ = 145212480. Its totient is φ = 141072000.

The previous prime is 143136011. The next prime is 143136041. The reversal of 143136013 is 310631341.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143136013 - 21 = 143136011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143136011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21408 + ... + 27286.

It is an arithmetic number, because the mean of its divisors is an integer number (18151560).

Almost surely, 2143136013 is an apocalyptic number.

It is an amenable number.

143136013 is a deficient number, since it is larger than the sum of its proper divisors (2076467).

143136013 is an equidigital number, since it uses as much as digits as its factorization.

143136013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6227.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 143136013 is about 11963.9463806889. The cubic root of 143136013 is about 523.0978945106.

Adding to 143136013 its reverse (310631341), we get a palindrome (453767354).

The spelling of 143136013 in words is "one hundred forty-three million, one hundred thirty-six thousand, thirteen".

Divisors: 1 97 251 5879 24347 570263 1475629 143136013